CN217051334U - Special gantry type supporting main beam for tunnel lifting - Google Patents
Special gantry type supporting main beam for tunnel lifting Download PDFInfo
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- CN217051334U CN217051334U CN202221594007.7U CN202221594007U CN217051334U CN 217051334 U CN217051334 U CN 217051334U CN 202221594007 U CN202221594007 U CN 202221594007U CN 217051334 U CN217051334 U CN 217051334U
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Abstract
A gantry type supporting main beam special for tunnel lifting comprises two bearing beams at intervals, wherein a connecting beam is fixed between the two bearing beams; the carrier beams comprise horizontal parts, inclined parts matched with the tunnel shape are arranged at two ends of each horizontal part, a plurality of spaced cantilever beams are fixed at the top of each horizontal part, trolley running tracks parallel to the carrier beams are arranged on the outer sides of the two carrier beams, electric hoists are mounted on the trolley running tracks, and two ends of each cantilever beam extend out of the horizontal part and are fixed at the top of the corresponding trolley running track. The utility model discloses adapt to the shape in tunnel, the space in the rational utilization tunnel is convenient for promote and is risen the height.
Description
Technical Field
The utility model relates to a technical field of hoist, concretely relates to special planer-type supporting girder of tunnel lifting.
Background
When in construction in the tunnel, need use the hoist, be used for lifting by crane, the transportation heavy object, conventional hoist includes the girder, install the electric block that can remove about it on the girder, electric block often hangs in the bottom of girder, the landing leg is installed at the both ends of girder, cart operating device is installed to the bottom of landing leg, the girder is the horizontal beam, because the tunnel is the arc top, the centre is high, both sides are low, if according to the high crane of design in the middle of the tunnel, the tunnel both sides can interfere with the both ends of the girder of hoist, if according to the high crane of design in tunnel both sides, tunnel intermediate space can not the rational utilization, it is lower to rise to the height, so need design a special portal type supporting girder of tunnel promotion, adapt to the shape in tunnel, the space in the rational utilization tunnel, be convenient for promote to rise to the height.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the gantry type supporting main beam special for tunnel lifting adapts to the shape of a tunnel, reasonably utilizes the space in the tunnel and is convenient for lifting.
The utility model adopts the technical proposal that:
a gantry type supporting main beam special for tunnel lifting comprises two bearing beams at intervals, wherein a connecting beam is fixed between the two bearing beams; the carrier beams comprise horizontal parts, inclined parts matched with the tunnel shape are arranged at two ends of each horizontal part, a plurality of spaced cantilever beams are fixed at the top of each horizontal part, trolley running tracks parallel to the carrier beams are arranged on the outer sides of the two carrier beams, electric hoists are mounted on the trolley running tracks, and two ends of each cantilever beam extend out of the horizontal part and are fixed at the top of the corresponding trolley running track.
A horizontal mounting column is fixed on the inner side of the bearing beam, a first flange plate is fixed on the mounting column, a second flange plate is fixed at the end part of the connecting beam, and the first flange plate and the second flange plate are detachably and fixedly connected through bolts.
The two inclined portions are symmetrical with respect to a longitudinal center line of the horizontal portion.
Limiting buffer devices are installed at two ends of the trolley running track and comprise limiting plates for fixing two ends of the trolley running track, and buffers are fixed on the limiting plates.
The number of the cantilever beams is five.
The cantilever beam is fixed with a connecting frame which is in an inverted U shape and corresponds to the bearing beam one by one, two sides of the cantilever beam are fixed with connecting plates which correspond to the side surfaces of the connecting frame, and the connecting plates and the corresponding sides of the connecting frame are detachably and fixedly connected through bolts.
The utility model discloses well carrier bar includes the horizontal part, the both ends of horizontal part are equipped with the rake that suits with the tunnel shape, the high arc top that both sides are low in the middle of adaptation tunnel, space in the rational utilization tunnel, the top of horizontal part is fixed with a plurality of spaced cantilever beam, be convenient for install the dolly orbit, the outside of two carrier bars all is equipped with the dolly orbit that is parallel with the carrier bar, install electric block on the dolly orbit, the both ends of cantilever beam extend to the horizontal part outside and fix at the top of the corresponding dolly orbit, be convenient for promote the height of rising, also be convenient for realize the balance of force and improve lifting efficiency; the first flange plate on the mounting column is detachably and fixedly connected with the second flange plate on the connecting beam through bolts, so that the mounting and the dismounting are convenient.
Drawings
FIG. 1 is a schematic front view of a main beam mounted on a crane;
fig. 2 is a side view structural schematic diagram of the main beam installed on the crane.
Detailed Description
As shown in fig. 1 and fig. 2, a gantry type supporting main beam special for tunnel lifting comprises two spaced load-bearing beams 14, and a connecting beam 15 is fixed between the two load-bearing beams 14; the carrier bar 14 includes horizontal part 1, the both ends of horizontal part 1 are equipped with the rake 5 that suits with tunnel a shape, the circular arc top that the high both sides in centre of adaptation tunnel a are low, space in the rational utilization tunnel a, horizontal part 1's top is fixed with a plurality of spaced cantilever beam 2, the outside of two carrier bars 14 all is equipped with the dolly orbit 3 parallel with carrier bar 14, install electric block 4 on the dolly orbit 3, the both ends of cantilever beam 2 extend to horizontal part 1 outside and fix at the dolly orbit 3's that corresponds top, improve electric block 4's mounted position, be convenient for promote the height of rising, electric block 4 is all installed at the both ends of cantilever beam 2, be convenient for realize the balance of force, also be convenient for improve lifting efficiency.
The inboard of carrier bar 14 is fixed with horizontal erection column 18, fixes first flange board 17 on the erection column 18, and the tip of tie-beam 15 is fixed with second flange board 16, and first flange board 17 and second flange board 16 pass through the bolt and can dismantle fixed connection, are convenient for install and dismantle tie-beam 15.
The two inclined portions 5 are symmetrical with respect to the longitudinal center line of the horizontal portion 1.
Limiting buffer devices are installed at two ends of the trolley running track 3 and comprise limiting plates 6 at two ends of the fixed trolley running track 3, a buffer 7 is fixed on each limiting plate 6, and the buffer 7 for the conventional crane is adopted to play a role in buffering.
The number of the cantilever beams 2 is five.
The cantilever beam 2 is fixedly provided with the inverted U-shaped connecting frames 23 which correspond to the carrier beams 14 one by one, the two sides of the cantilever beam 2 are fixedly provided with the connecting plates 24 corresponding to the side surfaces of the connecting frames 23, the connecting plates 24 and the corresponding sides of the connecting frames 23 are detachably and fixedly connected through bolts, and when the cantilever beam 2 is installed, the connecting frames 23 are clamped on the corresponding carrier beams 14, so that the cantilever beam 2 can be installed in place quickly.
The utility model discloses adapt to the shape in tunnel, space in the rational utilization tunnel, be convenient for promote the height of rising, when using, install tunnel promotion special gantry type supporting girder on tunnel promotion special electric block double track portal crane, when the operation, tunnel promotion special electric block double track portal crane's cart running gear's walking wheel along the track operation in tunnel an, electric block 4 moves along dolly orbit 3, adapt to the structure in the tunnel an, be convenient for lift by crane.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (6)
1. The utility model provides a special planer-type supporting girder of tunnel promotion which characterized in that: the device comprises two spaced bearing beams, wherein a connecting beam is fixed between the two bearing beams; the carrier bar comprises a horizontal part, inclined parts matched with the tunnel shape are arranged at two ends of the horizontal part, a plurality of spaced cantilever beams are fixed at the top of the horizontal part, trolley running tracks parallel to the carrier bar are arranged on the outer sides of the two carrier bars, an electric hoist is installed on each trolley running track, and two ends of each cantilever beam extend out of the horizontal part and are fixed at the top of the corresponding trolley running track.
2. The gantry-type main support beam special for tunnel lifting according to claim 1, characterized in that: a horizontal mounting column is fixed on the inner side of the bearing beam, a first flange plate is fixed on the mounting column, a second flange plate is fixed at the end part of the connecting beam, and the first flange plate and the second flange plate are detachably and fixedly connected through bolts.
3. The gantry type support girder special for tunnel lifting according to claim 1, characterized in that: the two inclined portions are symmetrical with respect to a longitudinal center line of the horizontal portion.
4. The gantry type support girder special for tunnel lifting according to claim 1, characterized in that: limiting buffer devices are installed at two ends of the trolley running track and comprise limiting plates for fixing two ends of the trolley running track, and buffers are fixed on the limiting plates.
5. The gantry-type main support beam special for tunnel lifting according to claim 1, characterized in that: the number of the cantilever beams is five.
6. The gantry-type main support beam special for tunnel lifting according to claim 1, characterized in that: the cantilever beam is fixed with a connecting frame which is in an inverted U shape and corresponds to the bearing beam one by one, two sides of the cantilever beam are fixed with connecting plates which correspond to the side surfaces of the connecting frame, and the connecting plates and the corresponding sides of the connecting frame are detachably and fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221594007.7U CN217051334U (en) | 2022-06-24 | 2022-06-24 | Special gantry type supporting main beam for tunnel lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221594007.7U CN217051334U (en) | 2022-06-24 | 2022-06-24 | Special gantry type supporting main beam for tunnel lifting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217051334U true CN217051334U (en) | 2022-07-26 |
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ID=82474049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221594007.7U Active CN217051334U (en) | 2022-06-24 | 2022-06-24 | Special gantry type supporting main beam for tunnel lifting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217051334U (en) |
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2022
- 2022-06-24 CN CN202221594007.7U patent/CN217051334U/en active Active
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